In deep shock, it was often mechanically difficult to introduce blood into a vein, but always quite easy to make a femoral arterial puncture.
深感震惊的是，它往往机械地难以引入静脉血液，但总是很容易使股动脉穿刺。
2
The study examined 180 patients who underwent arterial reconstructions using deep-vein grafting at UT Southwestern.
这项研究调查了美国德州大学西南医学中心180名采用深静脉移植片进行血管重建的患者。
3
Objective To investigate the clinical value about hepatic arterial chemoembolization and portal vein continuous perfusion chemotherapy in the treatment of primary liver cancer.